import Vue from 'vue'
// 针对 el-input做的限制，只能输入正整数
Vue.directive('Int', {
	bind: function(el) {
		const input = el.getElementsByTagName('input')[0]
		input.onkeyup = function(e) {
			if (input.value.length === 1) {
				input.value = input.value.replace(/[^0-9]/g, '')
			} else {
				input.value = input.value.replace(/[^\d]/g, '')
			}
			trigger(input, 'input')
		}
		input.onblur = function(e) {
			if (input.value.length === 1) {
				input.value = input.value.replace(/[^0-9]/g, '')
			} else {
				input.value = input.value.replace(/[^\d]/g, '')
			}
			trigger(input, 'input')
		}
	}
})
const trigger = (el, type) => {
    const e = document.createEvent('HTMLEvents')
    e.initEvent(type, true, true)
    el.dispatchEvent(e)
}
